#274EA5#274EA5
#274EA5 is a dark, vivid blue. Relative luminance 0.086; OKLCH L 44.8% C 0.148 H 263.4°. Best body text is #FFFFFF at 7.72:1 contrast (WCAG AA passes).
Color values
| HEX | #274EA5 |
|---|---|
| RGB | rgb(39, 78, 165) |
| HSL | hsl(221, 62%, 40%) |
| HSV | hsv(221, 76%, 65%) |
| CMYK | cmyk(76.4%, 52.7%, 0%, 35.3%) |
| CIE-LAB | lab(35.19, 18.10, -50.93) |
| CIE-LCH | lch(35.19, 54.05, 289.57°) |
| OKLab | oklab(44.77% -0.0169 -0.1466) |
| OKLCH | oklch(44.77% 0.148 263.4) |
| XYZ | xyz(10.3502, 8.5956, 36.7036) |
| Luminance | 0.0860 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt
#0047AB
ΔE00 2.67
Sapphire
#0F52BA
ΔE00 3.05
Cobalt (survey)
#1E488F
ΔE00 3.53
Dusk Blue
#26538D
ΔE00 4.27
Denim Blue
#3B5B92
ΔE00 5.16
Light Navy Blue
#2E5A88
ΔE00 6.02
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#274EA5 #A57E27
analogous
#278DA5 #274EA5 #3F27A5
triadic
#274EA5 #A5274E #4EA527
tetradic
#274EA5 #A5278D #A57E27 #27A53F
square
#274EA5 #A5278D #A57E27 #27A53F
split-complementary
#274EA5 #A53F27 #8DA527
monochromatic
#101F42 #1B3774 #274EA5 #3968D0 #6A8EDC
Accessibility & contrast
On white
7.72
#274EA5 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.72
#274EA5 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #274EA5
7.72:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##274EA5 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##274EA5 | 1.00 | 7.72 | 2.72 | 7.72 |
| #FFFFFF | 7.72 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.72 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.72 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#1259A8
Deuteranopia (green-blind)
#004DA3
Tritanopia (blue-blind)
#006372
Achromatopsia (no color)
#535353
Design tokens & code
CSS
--color: #274ea5; /* rgb */ color: rgb(39, 78, 165); /* oklch */ color: oklch(44.8% 0.148 263.4);
Tailwind
colors: {
custom: {
50: '#747fc0',
500: '#274ea5',
950: '#000000',
},
}SCSS
$custom: #274ea5; $custom-light: #747fc0; $custom-dark: #000000;
JSON
{
"hex": "#274ea5",
"rgb": {
"r": 39,
"g": 78,
"b": 165
},
"hsl": {
"h": 221.429,
"s": 61.765,
"l": 40
},
"oklch": {
"l": 0.44765,
"c": 0.14757,
"h": 263.4
},
"luminance": 0.08597
}Semantic roles & 50–950 ramp
primary
#274EA5
secondary
#C2A666
accent
#B343E5
background
#F7F7FB
surface
#EEEEF7
border
#C9C9D0
text
#090A12
muted
#7B7C81